bob the builder is making 450kg of concrete mix
concrete is made of a mix of cement , sand and gravel in the ratio 1:3:4
how much sand does he need
Answers
Answered by
1
Answer:168.75 kg
Step-by-step explanation:
total share = 1+3+4
450 kg
sand = 3/8 *450
sand= 168.75 kg
Answered by
3
Step-by-step explanation:
1x + 3x + 4x = 450
4x + 4x = 450
8x = 450
x = 450/8
x = 56
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